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Softa [21]
3 years ago
9

What is the gcf of the numerator and denominator of the rational expression

Mathematics
1 answer:
Roman55 [17]3 years ago
5 0
\frac{3x-15}{x^2-x-20} = \frac{3(x-5)}{(x+4)(x-5)}

The only common factor is (x -5).

Selection A is appropriate.
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Points representing 0.20, 0.35 and 0.42 are plotted on the number line.
SashulF [63]

Answer:

0.42 > 0.35

Step-by-step explanation:

' > ' means greater than

0.42 is greater than 0.35

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Out of the three, 0.4, 0.42, and 0.41, which one is bigger?
Vedmedyk [2.9K]

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Calculate the average rate of change of the function f(x) = mx + b over the interval 2 ≤ x ≤ 13.
Nesterboy [21]

Answer:

m

Step-by-step explanation:

The slope of a line is constant. This means no matter the two points on the line that you use to calculate the slope you will get the same number for the slope. Your equation is in slope-intercept form, y=mx+b where m is slope and b is y-intercept. So your equation is in that exact form with the same use of constant numbers m and b where m is slope and b is y-intercept.

So the answer is m.

However, we could use slope formula = change in y divided by change in x.

Change in y from x=2 to x=13 is [(m(13)+b)-m(2)+b)]=13m+b-2m-b=13m-2m+b-b=11m+0=11m.

Change in x is 13-2=11.

So the slope is 11m/11=m.

4 0
2 years ago
How to calculate Divide 81 ft in the ratio 5 : 4.
Alex_Xolod [135]

Answer:

45:36 is the answer.

Step-by-step explanation:

Divide 81 by sum of ratio.

81/(5+4)=81/9=9

So,

5×9 : 4×9

45 : 36

Check: 45+36=91

4 0
3 years ago
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